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Cheap flights from Ireland to Belfast from €44

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ireland to Belfast departing on 1/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
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Find the cheapest flights from Ireland to Belfast

Recent return flight deals from Ireland to Belfast

Enter your travel dates to find the best prices.
Multiple Airlines Logo
08:15 - 22:20
ORK
-
BFS
14h 05m
1 stop
Multiple Airlines Logo
15:40 - 16:55
BFS
-
ORK
25h 15m
1 stop
€81Multiple Airlines
Thu, 28 May - Wed, 3 Jun
Multiple Airlines Logo
08:15 - 22:20
ORK
-
BFS
14h 05m
1 stop
Multiple Airlines Logo
15:40 - 23:55
BFS
-
ORK
8h 15m
1 stop
€84Multiple Airlines
Thu, 28 May - Wed, 3 Jun
Multiple Airlines Logo
15:00 - 21:30
KIR
-
BFS
6h 30m
1 stop
Multiple Airlines Logo
12:45 - 17:15
BFS
-
KIR
4h 30m
1 stop
€85Multiple Airlines
Mon, 1 Jun - Thu, 4 Jun
Multiple Airlines Logo
07:30 - 15:20
DUB
-
BFS
7h 50m
1 stop
Multiple Airlines Logo
07:30 - 21:30
BFS
-
DUB
14h 00m
1 stop
€86Multiple Airlines
Thu, 4 Jun - Wed, 10 Jun
Multiple Airlines Logo
22:25 - 07:05
ORK
-
BFS
8h 40m
1 stop
Multiple Airlines Logo
22:45 - 08:20
BFS
-
ORK
9h 35m
1 stop
€86Multiple Airlines
Tue, 2 Jun - Thu, 4 Jun
Multiple Airlines Logo
06:30 - 15:15
DUB
-
BFS
8h 45m
1 stop
Multiple Airlines Logo
07:30 - 12:30
BFS
-
DUB
5h 00m
1 stop
€87Multiple Airlines
Wed, 3 Jun - Wed, 10 Jun
Multiple Airlines Logo
22:25 - 07:05
ORK
-
BFS
8h 40m
1 stop
Multiple Airlines Logo
12:45 - 16:55
BFS
-
ORK
4h 10m
1 stop
€87Multiple Airlines
Tue, 2 Jun - Thu, 4 Jun
Multiple Airlines Logo
08:30 - 15:20
SNN
-
BFS
6h 50m
1 stop
Multiple Airlines Logo
15:40 - 23:35
BFS
-
SNN
7h 55m
1 stop
€87Multiple Airlines
Thu, 4 Jun - Wed, 10 Jun
Multiple Airlines Logo
07:30 - 15:20
DUB
-
BFS
7h 50m
1 stop
Multiple Airlines Logo
15:40 - 21:30
BFS
-
DUB
5h 50m
1 stop
€87Multiple Airlines
Thu, 4 Jun - Wed, 10 Jun
Multiple Airlines Logo
09:55 - 15:15
ORK
-
BFS
5h 20m
1 stop
Multiple Airlines Logo
08:40 - 20:40
BFS
-
ORK
12h 00m
1 stop
€87Multiple Airlines
Wed, 3 Jun - Mon, 8 Jun

British Airways flights from Ireland to Belfast

Our best British Airways deals on Ireland to Belfast flight tickets
British Airways
8 Jun
DUB20:30Dublin
12h 20m
1 stop
BHD08:50Belfast City
16 Jun
BHD16:25Belfast City
15h 15m
1 stop
DUB07:40Dublin
€234
British Airways
13 Oct
DUB20:25Dublin
12h 35m
1 stop
BHD09:00Belfast City
18 Oct
BHD11:00Belfast City
8h 30m
1 stop
DUB19:30Dublin
€237
British Airways
12 Oct
DUB20:30Dublin
11h 05m
1 stop
BHD07:35Belfast City
15 Oct
BHD09:35Belfast City
5h 00m
1 stop
DUB14:35Dublin
€238

Aer Lingus flights from Ireland to Belfast

Our best Aer Lingus deals on Ireland to Belfast flight tickets
Aer Lingus
8 Jun
DUB10:20Dublin
4h 35m
1 stop
BHD14:55Belfast City
16 Jun
BHD15:30Belfast City
7h 10m
1 stop
DUB22:40Dublin
€201
Aer Lingus
4 Jun
DUB07:30Dublin
13h 35m
1 stop
BHD21:05Belfast City
10 Jun
BHD07:00Belfast City
15h 05m
1 stop
DUB22:05Dublin
€248
Aer Lingus
11 May
ORK19:20Cork
16h 35m
1 stop
BHD11:55Belfast City
17 May
BHD09:50Belfast City
9h 00m
1 stop
ORK18:50Cork
€394

momondo Fare Finder

 
Customise your flight search to find flights from Ireland to Belfast that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 13,528 searches. Data last updated 11 May 2026.
Use the filters below to find and compare flights from Ireland to Belfast that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

CorkBelfast

ORK - BFS

ORKBFS

Cork

Thu 28/5

08:15-22:20

1 stop14h 05m

Belfast Intl

Wed 3/6

15:40-16:55

1 stop25h 15m

€81

CorkBelfast

ORK - BFS

ORKBFS

Cork

Thu 28/5

08:15-22:20

1 stop14h 05m

Belfast Intl

Wed 3/6

15:40-23:55

1 stop8h 15m

€84
Fastest return journey

Milltown (Kerry)Belfast

KIR - BFS

KIRBFS

Milltown (Kerry)

Mon 1/6

15:00-21:30

1 stop6h 30m

Belfast Intl

Thu 4/6

12:45-17:15

1 stop4h 30m

€85

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Thu 4/6

07:30-15:20

1 stop7h 50m

Belfast Intl

Wed 10/6

07:30-21:30

1 stop14h 00m

€86

CorkBelfast

ORK - BFS

ORKBFS

Cork

Tue 2/6

22:25-07:05

1 stop8h 40m

Belfast Intl

Thu 4/6

22:45-08:20

1 stop9h 35m

€86

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Wed 3/6

06:30-15:15

1 stop8h 45m

Belfast Intl

Wed 10/6

07:30-12:30

1 stop5h 00m

€87

CorkBelfast

ORK - BFS

ORKBFS

Cork

Tue 2/6

22:25-07:05

1 stop8h 40m

Belfast Intl

Thu 4/6

12:45-16:55

1 stop4h 10m

€87

ShannonBelfast

SNN - BFS

SNNBFS

Shannon

Thu 4/6

08:30-15:20

1 stop6h 50m

Belfast Intl

Wed 10/6

15:40-23:35

1 stop7h 55m

€87

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Thu 4/6

07:30-15:20

1 stop7h 50m

Belfast Intl

Wed 10/6

15:40-21:30

1 stop5h 50m

€87

CorkBelfast

ORK - BFS

ORKBFS

Cork

Wed 3/6

09:55-15:15

1 stop5h 20m

Belfast Intl

Mon 8/6

08:40-20:40

1 stop12h 00m

€87

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Belfast from

How to get the cheapest flight ticket from Ireland to Belfast

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Ireland to Belfast?

Ryanair is the most popular carrier operating from Ireland to Belfast

Cheap Ireland to Belfast flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ireland to Belfast

Fastest flight time

4h 55m

Direct flights

None
The fastest flight from Ireland to Belfast takes 4h 55m
There are no direct flights from Ireland to Belfast. There are no popular flight routes from Ireland to Belfast.
Search flight deals

Frequently asked questions about flying from Ireland to Belfast

  • When did momondo last update prices for flights from Ireland to Belfast?

    Prices for flights from Ireland to Belfast are refreshed on a daily basis.

  • How old do you have to be to fly from Ireland to Belfast?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ireland to Belfast.

  • What documentation or ID do you need to fly to Belfast?

    The required travel and health documents for your Belfast trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Belfast. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Ireland to Belfast?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Ireland to Belfast . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Ireland to Belfast with flexible booking policies on momondo?

Yes. All flights to Belfast from Ireland on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Ireland to Belfast?

Once all potential Ireland to Belfast flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Ireland to Belfast right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Ireland to Belfast now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Belfast and let you know when they change.

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Find better results for your trip to the United Kingdom

Fly into one of these airports located in Belfast

Airports listed have a maximum distance of 19.6 km from Belfast
Belfast Intl Airport
Belfast City Airport